Antonio Cardenas Guillen

Antonio Cardenas Guillen (5 March 1962-5 November 2010) was the co-leader of the Mexican Gulf Cartel with Jorge Eduardo Costilla Sanchez. He was killed in a operation by the Mexican armed forces in his home city of Matamoros after an eight-hour firefight.

Biography
Antonio Cardenas Guillen was born on 5 March 1962 in Matamoros, Tamaulipas, Mexico. The brother of Osiel Cardenas Guillen and Homero Cardenas Guillen, he worked as a car washer at a local police station, but he entered the drug trade in the late 1980s with his brother Osiel, who once worked with Antonio as a car mechanic at the station. Cardenas Guillen became the boss of Matamoros, controlling the drug trafficking shipments and all organized crime activities. In 1998, he escaped capture by the FBI and DEA in Houston, Texas in the United States, and Antonio and his associate Jorge Eduardo Costilla Sanchez took over the Gulf Cartel when Osiel was arrested in 2003. On 5 November 2010, 660 marines, 17 vehicles, and 3 helicopters participated in an operation to kill Cardenas Guillen in Matamoros, and he was killed after a tough eight-hour shootout. As many as 100+ people were killed in the shootout.